Shower apparatus



FIG. 1 is a bottom, front, left side perspective view of a shower apparatus showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a shower apparatus, as shown and described. 